Step 8
8.1 Insert double slat cap Y x 2 onto the
ends of slat P1 assembled in previous step;
8.2 Take a new slat P1 and insert both
ends into the other free end of double slat
cap Y x 2, then press double slat cap Y x 2
SIMULTANEOUSLY into center rails F x 2
as illustrated.
Repeat the same procedures going
backwards for every row of slats.
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